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Finding the Fourth Proportional to 429,741.39, 592,292.45 and 314,775.78

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Solution

The fourth proportional to 429,741.39, 592,292.45 and 314,775.78 is: 433,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,741.39 : 592,292.45 = 314,775.78 : x
  2. Step 2: Convert to fraction form
    429,741.39/592,292.45 = 314,775.78/x
  3. Step 3: Cross multiply
    429,741.39x = 592,292.45 × 314,775.78
  4. Step 4: Simplify right side
    429,741.39x = 186,439,316,362.98
  5. Step 5: Solve for x
    x = 186,439,316,362.98/429,741.39
  6. Step 6: Final answer
    x = 433,840.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.